History:Founded: 1955 (the merger of Association Sportive Chalonnaise and Elan de Saint-Jean des Vignes. The club then merged with the football club Bourgneuf Val d'Or Mercurey of Bourgneuf Mercurey in 1970. The club reached full professional status in 1994)
Achievements:
French League Champion -2012, 27French League Semifinals -2004, 05, 07, 13 French League Regular Season Runner-Up -2012, 17 French ProB Play-Offs Winner -2023 French La Semaine des AS Cup Winner -2012 French La Semaine des AS Cup Finalist -2011 French Cup Winner -2011, 12 French Supercup Finalist -2013, 18 French Leaders Cup Finalist -2016
European cups:
2000-2001: Saporta Cup: took 3rd place (6-4) in Group A, lost in the final to Maroussi  2001-2002: Korac Cup: took 4th place (3-3) in Group A 2002-2003:  ULEB Cup: took 5th place in Group C2004-2005: ULEB Cup: took 4th place (5-5) in Group E2007-2008:  ULEB Cup: took 4th place (5-5) in Group B2009-2010: Eurochallenge: took 1st place (4-2) in Group D of Regular Season, took 3rd place (3-3) in Group K in Last16 2011-2012:  Eurocup: lost to Cedevita  in the Qualifying Round;  EuroChallenge: took 1st place (5-1) in Group E of Regular Season, took 1st place (3-3) in Group J of Top 16, lost to Besiktas 86-91 in the Final (!!!)2012-2013:  Euroleague: took 5th place (3-7) in Group B of the Regular Season2013-2014: Eurocup: took 5th place (4-6) in Group B of the Regular Season2015-2016:  FIBA Europe Cup: took 1st place (5-1) in Group D of the Regular Season, took 1st place (5-1) in Group R of the Second Stage, lost to Openjobmetis Varese 82-91 in the Semifinals, beat Enisey 103-72 in the 3rd Place game (!!!)2016-2017: FIBA Europe Cup: took 1st place (4-2) in Group A of Stage One, took 1st place (5-1) in Group K of Second Stage, beat Oostende 80-85, 83-65 in the Semifinals, lost to Nanterre 58-58, 79-82 in the Finals (!!!)2017-2018:  Basketball Champions League: took 6th place (6-8) in Group B
European cups achievements:
Saporta Cup Finalist -2001EuroChallenge Finalist -2012 FIBA Europe Cup Final Four -2016 FIBA Europe Cup Finalist -2017 |
| Since 2018 |
 2013-2018 |
 2007-2013 |
 2001-2007 |
 1994-2001 |
 Until 1994 |
League positions:
| Season | Tier | Division | W-L | Position + PlayOff | Cup | European competitions |
|---|---|---|---|---|---|---|
| 1979-81 | 2 | Nationale 2 | 14-8 | 5th (Group B) | ||
| 1981-82 | 3 | Nationale 3 |  | |||
| 1982-83 | 2 | Nationale 2 | 10th (Group A) | |||
| 1983-84 | 1 | ProA | ||||
| 1984-85 | 1 | ProA | ||||
| 1985-86 | 1 | ProA | ||||
| 1986-87 | 1 | ProA | ||||
| 1987-88 | 1 | ProA | ||||
| 1988-89 | 1 | ProA | ||||
| 1989-90 | 1 | ProA |  | |||
| 1990-91 | 3 | Nationale 2 | ||||
| 1991-92 | 3 | Nationale 2 | ||||
| 1992-93 | 3 | Nationale 2 | Finalist | |||
| 1993-94 | 3 | Nationale 2 | | |||
| 1994-95 | 2 | ProB | 9th | |||
| 1995-96 | 2 | ProB | | |||
| 1996-97 | 1 | ProA | 11-19 | 11th | ||
| 1997-98 | 1 | ProA | 12-18 | 12th | ||
| 1998-99 | 1 | ProA | 20-10 | 4th, lost in Quarterfinals 1-2 to PSG Racing | ||
| 1999-00 | 1 | ProA | 16-14 | 8th, lost in Quarterfinals 0-2 to ASVEL | ||
| 2000-01 | 1 | ProA | 18-12 | 7th, lost in Quarterfinals 1-2 to Pau-Orthez | Saporta Cup: took 3rd place (6-4) in Group A, lost in the final to Maroussi (GRE) | |
| 2001-02 | 1 | ProA | 20-10 | 4th  lost in Semis 0-2 to Pau-Orthez | Korac Cup: took 4th place (3-3) in Group A | |
| 2002-03 | 1 | ProA | 11-19 | 10th |  Eurocup: 5th (Group C) (4-6) | |
| 2003-04 | 1 | ProA | 25-9 | 3rd, lost in Semis 1-2 to Pau-Orthez | ||
| 2004-05 | 1 | ProA | 21-13 | 5th | Eurocup: 4th (*2 Casti Group Varese 88 7-3 (764-758)) (5-5) | |
| 2005-06 | 1 | ProA | 17-17 | 10th, lost in Quarterfinals 0-2 to Sluc Nancy | ||
| 2006-07 | 1 | ProA | 23-11 | 3rd, lost in Semis 1-2 to Roanne | ||
| 2007-08 | 1 | ProA | 13-17 | 10th |  Eurocup: 4th (Group B) (5-5) | |
| 2008-09 | 1 | ProA | 16-14 | 8th, lost in Quarter-Finals 0-2 to Orleans | ||
| 2009-10 | 1 | ProA | 12-18 | 12th |  FIBA Europe Cup: 1st (Group D) (4-2) | |
| 2010-11 | 1 | ProA | 20-10 | 2nd, lost in Quarter-Finals 1-2 to ASVEL | Winner | |
| 2011-12 | 1 | ProA | 2nd  beat Le Mans 95-76 in the Finals | Winner | FIBA Europe Cup: 1st (Group E) (5-1)  lost in Final 86-91 to Besiktas | |
| 2012-13 | 1 | ProA | 18-12 | 1st (Round 18), lost in Semis 0-2 to Nanterre |  Euroleague: 5th (Group B) (3-7) | |
| 2013-14 | 1 | ProA | 11-12 | 11th, lost in Quarter-Finals 1-2 to Strasbourg |  Eurocup: 5th (Group B) (4-6) | |
| 2014-15 | 1 | ProA | 18-16 | 8th, lost in Quarter-Finals 1-2 to Strasbourg | ||
| 2015-16 | 1 | ProA | 22-12 | 4th, lost in Quarter-Finals 0-2 to ASVEL |  FIBA Europe Cup: 1st (Group D) (5-1), lost in Semis 82-91 to OpenjobMetis | |
| 2016-17 | 1 | ProA | 27-7 | 2nd beat Strasbourg 3-2 in the Finals | FIBA Europe Cup: 1st (Group A) (4-2) lost in Finals 58,79-58,82 to Nanterre | |
| 2017-18 | 1 | ProA | 15-19 | 12th |  Basketball Champions League: 6th (Group B) (6-8) | |
| 2018-19 | 1 | Jeep Elite | 12-22 | 14th | ||
| 2019-20 | 1 | Jeep Elite | 10-15 | 12th | ||
| 2020-21 | 1 | Jeep Elite | 10-24 | 17th | ||
| 2021-22 | 2 | ProB | 6th, lost in Quarterfinals 1-2 to Blois | |||
| 2022-23 | 2 | ProB | 25-9 | 2nd beat Champagne 2-1 in the Final | ||
| 2023-24 | 1 | Betclic Elite | 14-20 | 14th | ||
| 2024-25 | 1 | Betclic Elite | 15-15 | 9th, lost in Quarterfinals 1-2 to ASVEL |
